<template>
	<view>
		<view class="goods-list">
			<view v-for="(item, i) in goodsList" :key = "i" @click="gotoDeail(item)">
				<my-goods :goods="item"></my-goods>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				queryObj: {
					query: '',
					cid: '',
					pagenum: 1,
					pagesize: 10
				},
				total: 0,
				goodsList: [],
				// 节流阀
				isLoading: true
				
			};
		},
		onLoad(options) {
			// console.log(options)
			this.queryObj.query = options.query || ''
			this.queryObj.cid = options.cid || ''
			this.getGoodsList()
		},
		methods: {

			async getGoodsList(cd) {
				this.isLoading = true
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
				this.isLoading = false
				cd && cd()
				if (res.meta.status !== 200) return uni.$showMsg()
				this.goodsList = [...this.goodsList, ...res.message.goods]
				this.total = res.message.total
				
				// 不这样处理 会报错的
				let num = ((this.total - this.goodsList.length)/this.queryObj.pagesize)
				if( num< 1) {
					this.queryObj.pagesize =  this.total -  this.goodsList.length
				}
				
			},
			gotoDeail(item) {
				uni.navigateTo({
					url: '/subpkg/goods_detail/goods_detail?goods_id='+item.goods_id
				})
			}
		},
		onReachBottom() {
			if(this.goodsList.length >= this.total) return uni.$showMsg('数据请求完毕');
			
			
			if(this.isLoading) return
			this.queryObj.pagenum++ 
			this.getGoodsList()
		},
		onPullDownRefresh() {
			this.queryObj.pagenum = 1,
			this.isLoading = false,
			this.goodsList = [],
			// this.total = 0
			this.getGoodsList(()=> uni.stopPullDownRefresh())
		}
		
	}
</script>

<style lang="scss">
	
	

</style>
